| June | Description/Year | Location of material (e.g. 1/31/1956 Witness, p. 10) |
| 1 | June 1, 1970: Saturday Mass approved by Archbishop James J. Byrne | The Witness |
| 2 | June 3, 1956: Senator John Kennedy was Loras College Graduation speaker. | The Witness |
| 3 | June 3, 1888: Bishop Hennessy laid the corner stone for St. Francis Xavier Church in Dyersville. | Centennial History of the Archdiocese of Dubuque (1937), p.85 |
| 3 | June 3, 1963: death of Pope John XXIII. | The Witness |
| 4 | June 4, 1958: Msgr. Maurice Sheehy, the first of any priest-chaplain to hold the 3 star rank raised to the rank of Vice Admiral. | The Witness |
| 4 | June 4, 1944: The liberation of Rome by the Allied Forces on Trinity Sunday | The Witness |
| 5 | June 5, 1856: P. Brannon deeded 40 acres to Bishop Loras for a church to be built in Waucoma | Centennial History of the Archdiocese of Dubuque (1937), P.151 |
| 5 | June 5, 2004: St. Pius X, Cedar Rapids, dedicated remodeled church. | The Witness |
| 6 | June 6, 1870: Corner stone laid for Assumption Church, Cresco, the oldest church in Howard County. | Centennial History of the Archdiocese of Dubuque (1937), p. 135 |
| June 6, 1944: Beginning of a series of bombings on Lisieux; sparing of Convent and Basilica seen as a miracle of The Little Flower. | The Witness | |
| 6 | June 6, 1916: St. Patrick’s Church, Cedar Falls dedicated. | Centennial History of the Archdiocese of Dubuque (1937), p. 148 |
| 7 | June 7, 1899: Dedication of Sacred Heart Church in Volga City. | Centennial History of the Archdiocese of Dubuque (1937), p. 445 |
| 7 | June 7, 1970: Our Lady of Mt. Carmel, Lawler celebrated its centennial. | The Witness |
| 8 | June 8, 1965; Holy Trinity, Luxembourg celebrates centennial and pastor, Father John A. Theobald celebrates golden jubilee | The Witness |
| 8 | June 8, 1942: St. Joseph’s, Bellevue, centennial | The Witness |
| 9 | June 9, 1927: Bishop Daniel Gorman died. A priest of the Archdiocese of Dubuque. | The Witness |
| 9 | June 9, 1940: Centennial celebration of St. Patrick’s, Garryowen. | The Witness |
| 10 | June 10, 1949: Release of Strong Men South by Fr. William Menster. His experiences with the Byrd Expedition. | The Witness |
| 10 | June 10, 1911: First organized retreat for laymen in Archdiocese held in newly constructed St. Joseph’s Chapel (Loras College). | The Witness |
| 11 | June 11, 2006: Groundbreaking for a childcare facility connected to Newman Elementary in Mason City. | The Witness |
| 11 | June 11, 1995: Double celebration in New Vienna — St. Boniface celebrating its 150th anniversary; the city celebrating its centennial. | The Witness |
| 12 | June 12, 1910: Formal dedication of Holy Name Church, Rockford. | Centennial History of the Archdiocese of Dubuque (1937): p. 479 |
| 12 | June 12, 2004: St. Michael, Plymouth closed. | The Witness |
| 13 | June 13: Feast of Saint Anthony of Padua. Iowa’s smallest chapel, near Festina, is named in his honor. | The Witness |
| 14 | June 14, 1916: St. Mary’s, Waucoma, new church dedicated by Archbishop James J. Keane. Previous church had been destroyed by a cyclone in Nov. 1915. | Centennial History of the Archdiocese of Dubuque (1937), P. 154 |
| 14 | June 14, 1991: Loras College broke ground for a new campus center, in which to locate student services, a dining room and a conference center. | The Witness |
| 15 | June 15, 1944: Chaplain Albert Hoffmann received the Distinguished Service Cross, making him the most decorated chaplain of WWII. | The Witness |
| 16 | June 16, 1943: Archdiocese of Dubuque consecrated to the Sacred Heart of Jesus | The Witness |
| 16 | June 16, 1985: Centennial celebration of the smallest church in the Archdiocese, St. Anthony of Padua Chapel near Festina. | The Witness |
| 17 | June 1955: Father William Most, professor at Loras College was the winner of the 1955 Marian Library Award from the University of Dayton for having written the year’s best book on Mary, “Mary in Our Life”. | The Witness |
| 18 | June 18, 1967: Annunciation Parish, Lattnerville celebrated its Centennial. The last scheduled Mass in the little limestone church was on June 24, 1989. | The Witness |
| 18 | June 18, 1947: Most Rev. Henry P. Rohlman received the sacred Pallium as Archbishop of Dubuque, from the Apostolic Delegate to the U. S. | The Witness |
| 19 | June 19, 1891: Laying of the corner stone for Sacred Heart Church, Fillmore, in the presence of an immense throng of people. | Centennial History of the Archdiocese of Dubuque (1937): p. 373 |
| 19 | June 19, 1979: Fire damaged Sacred Heart Church in Oelwein. | |
| 20 | June 20, 1854: first resident pastor arrived at St. Catherine’s | The Witness |
| 20 | June 20, 1987: Beginning of the centennial celebration for Immaculate Conception Parish in Elma. | The Witness |
| 21 | June 21: Feast of St. Aloysius Gonzaga. | The Witness |
| 21 | June 21, 1963: Giovanni B. Montini was elected Pope Paul VI. | The Witness |
| 22 | June 22, 1918: Death of Archbishop John J. Keane | Driscoll, We pray for our priests, p. 4 |
| 22 | June 22, 2014: Celebration of 40 years of CEWs in the Dubuque Archdiocese. | The Witness |
| 23 | June 23. 1965: Msgr. James J. Watters named new auxiliary Bishop. | The Witness |
| 23 | June 23, 1843: The first 5 Sisters of Charity arrived in Dubuque, and were welcomed by Bishop Loras. | The Witness |
| 24 | June 24, 1883: St. Lawrence Church, Otter Creek, corner stone laid | Centennial History of the Archdiocese of Dubuque (1937): p. 179 |
| 25 | June 25, 1930: Assumption Church, Cresco, new church dedicated by Bishop Francis Beckman. The old church had been destroyed by a fire in 1929. | Centennial History of the Archdiocese of Dubuque (1937), p. 137 |
| 25 | June 25, 1951: A tornado shattered St. Wenceslaus Church in Duncan, but it failed to halt Confirmation, which was held a few days later out-of-doors near the ruined parish buildings. | The Witness |
| 26 | June 26, 1864: One of the first convent high schools west of the Mississippi. Cornerstone laid on this date by Bishop Smythe. “Mary, Seat of Wisdom” in St. Donatus | Centennial History of the Archdiocese of Dubuque (1937), p. 64 |
| 27 | June 27, 1911: Laying of the corner stone for St. John the Evangelist in Independence. | Centennial History of the Archdiocese of Dubuque (1937), p. 113 |
| 28 | June 28: Feast of St. Irenaeus, First Bishop of Lyons, France, the native diocese of our Bishop Loras. | The Witness |
| 28 | June 28, 2008: Beginning of the Pauline Jubilee Year recognizing the Apostle Paul on the occasion of the bimillennium of his birth between 7-10 A.D. | The Witness |
| 29 | June, 29, 1884: St. Peter’s, Clermont, dedicated by Bishop Hennessy. | Centennial History of the Archdiocese of Dubuque (1937), p. 198 |
| 29 | June 29, 1947: Death of Msgr. Thomas Conry, former President of Loras College. | The Witness |
| 30 | June 30, 1936: Fire causes damage at Academy of the Visitation | The Witness |
| 30 | June 30, 2006: Official closing of Holy Rosary Parish, LaMotte. | The Witness |
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